The Chinese Communist movement; an annotated bibliography of selected materials in the Chinese Collection of Hoover Institution on War,

Mode of access: Internet.

Official map publications; a historical sketch, and a bibliographical handbook of current maps and mapping services in the United States, Canada, Latin America, France, Great Britain, Germany, and certain other countries,

"Classification, cataloging, and care of maps": p. 282-295; "Tentative map classification outline by subject": p. 297-308; "Map classification outline by areas": p. 309-311.

Carnegie Institution of Washington publication.

Physics abstracts. Science abstracts. Series A

Lectures on the philosophy and practice of slavery [electronic resource] : as exhibited in the institution of domestic slavery in the United States: with the duties of masters to slaves. /

Electronic text and image data.

Papers from the Tortugas Laboratory of the Carnegie Institution of Washington.

Mode of access: Internet.